Lanzhou ammonia refrigeration room renovation pressure vessel update

‌ According to the regulations on pressure vessels, the general service life of refrigeration vessels is 20 years (the service life varies according to the design life of different manufacturers). Refrigeration pipelines and pressure vessels should be updated and reformed in accordance with the design standards for cold storage and the construction acceptance specifications for cold storage。This video is to update the ammonia storage tank and ammonia circulating pump group and the corresponding pressure pipeline update。